Chapter 10 Flashcards
Conduction
transfer of heat through collisions between particles
Convection
transfer of heat through the flow of particles
Radiation
a method of heat transfer that does not require particles to transfer heat from one place to another
Kinetic energy
energy due to the motion of an object
Insulator
material that does not allow heat to move through it
Convection Current
circular movement that occurs when warmer, less dense fluid particles rise and cooler, denser fluid particles sink
Electric circuit
: a path for electrons to follow, consisting of a power supply, one or more loads, and conductors joining the power supply and loads
Electric charge
physical property of matter that causes it to experience a force when near other electrically charged matter. Electric charge can be positive or negative.
Static electricity
: a build-up of charge in one place
Power supply
device that can provide an electric current
Load
device that uses electrical energy and converts it into other forms of energy
Conducting path
connected series of materials along which an electric current can flow
Electric current
a measure of the number of electrons flowing through a circuit every second. An increase in current means an increase in the rate of flow of electrons in the circuit.
Filament
coil of wire made from a metal that glows brightly when it gets hot. The filaments in light globes heat up when electricity flows through them.
Switch
device that opens and closes the conducting path through which a current flows
